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Finding the Fourth Proportional to 8,992.26, 13,487.16 and 3,447

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Solution

The fourth proportional to 8,992.26, 13,487.16 and 3,447 is: 5,170.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.26 : 13,487.16 = 3,447 : x
  2. Step 2: Convert to fraction form
    8,992.26/13,487.16 = 3,447/x
  3. Step 3: Cross multiply
    8,992.26x = 13,487.16 × 3,447
  4. Step 4: Simplify right side
    8,992.26x = 46,490,240.52
  5. Step 5: Solve for x
    x = 46,490,240.52/8,992.26
  6. Step 6: Final answer
    x = 5,170.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.